Home / 1,317.77-1,966.99-1,162.08

Finding the Fourth Proportional to 1,317.77, 1,966.99 and 1,162.08

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Solution

The fourth proportional to 1,317.77, 1,966.99 and 1,162.08 is: 1,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.77 : 1,966.99 = 1,162.08 : x
  2. Step 2: Convert to fraction form
    1,317.77/1,966.99 = 1,162.08/x
  3. Step 3: Cross multiply
    1,317.77x = 1,966.99 × 1,162.08
  4. Step 4: Simplify right side
    1,317.77x = 2,285,799.74
  5. Step 5: Solve for x
    x = 2,285,799.74/1,317.77
  6. Step 6: Final answer
    x = 1,734.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.